Most of those names will come from the AA Arkansas Travellers roster, who begin their playoff run tomorrow. That game will air on Root Sports and is highly recommended viewing for Mariners fans concerned about the future of the team.
It is possible Seattle takes on the full 40, but names like Justin Dunn, Kyle Lewis, and Art Warren seem likely. But regardless of who is called up, there is a massive trap so many people fall into during the final months of any season: boxscore scouting.
We have a tendency to overreact to what just happened, whether it is good or bad.